package c5.e1;


public class e1 {
    public static void main(String[] args) {
        String str1 = new String();
        String str2 = new String("abcd");
        char[] charArray = new char[] {'D','E','F'};
        String str3 = new String(charArray);
        byte[] arr = {97,98,99};
        String str4 = new String(arr);
        System.out.println("a"+str1+"b");
        System.out.println(str2);
        System.out.println(str3);
        System.out.println(str4);
        }
    }

